package com.fanco.learn_datastruct_leetcode.designpattern.command;/**
*@author qiaowang 2022/2/17
* 描述
*/
public class LightReceiver {

    public void on () {
        System.out.println("电灯打开了");
    }

    public void off() {
        System.out.println("电灯关闭了");
    }
}
